S7018 ACE/P4BVG275
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7018 ACE/P4BVG275
Basic Information
System of measurement
Metric
Weight
1.25 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
90 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
140 mm
Outside diameter tolerance
-0.009mm to 0
Width
24 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
28
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
7605 lbf
Radial static load rating
6750 lbf
Limiting speed
12 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1106.17
/ each
In Stock
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S7018 ACE/P4BVG275 Bearing Product Overview & Core Advantages
The S7018 ACE/P4BVG275 is a high-precision, single-row angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Engineered to a P4 (ABEC-7) tolerance class, it is optimized to handle significant combined loads, accommodating both radial and substantial axial loads in one direction. Its sealed design and factory-applied lubrication ensure long-term, maintenance-free operation, making it an ideal solution for high-speed spindles and other precision machinery where reliability is paramount.
S7018 ACE/P4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| ACE | Specific internal design and contact angle (25°) | Optimized for high axial load capacity and rigidity. |
| P4 | Tolerance class (ABEC-7) | Ensures ultra-precise running accuracy and high-speed capability. |
| BVG | Preload designation | Provides increased stiffness and minimizes axial/radial play for superior performance. |
| 275 | High-performance grease filling | Enables reliable operation across the specified temperature range (-30° to 110 °C). |
S7018 ACE/P4BVG275 Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The 25° contact angle and robust construction are engineered to support high combined loads. With a dynamic load rating of 7605 lbf and a static load rating of 6750 lbf, it delivers reliable performance under strenuous conditions.
- Optimized High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces, contributing to a high limiting speed of 12,000 rpm. This, combined with precision P4-grade components, ensures stable operation at high rotational velocities.
- Sealed and Lubricated for Life: The sealed design effectively excludes contaminants. Pre-filled with specialized grease, the bearing offers a long service life without the need for re-lubrication, reducing maintenance requirements.
- Precision Engineering: Manufactured from chrome steel for both rings and balls, and held to strict dimensional tolerances, this bearing guarantees consistent, high-accuracy performance.
S7018 ACE/P4BVG275 Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for applications demanding high speed, accuracy, and rigidity. Key industries and machinery include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Drives: High-frequency motors and spindles.
- Industrial Pumps and Compressors: Where reliable, maintenance-free operation is critical.
- Robotics and Automation: High-accuracy rotary joints and axes.
